Remove CONTENT_SETTINGS_NUM_TYPES (part 5)

chrome/browser/content_settings/content_settings_pref_provider_unittest.cc

Index: chrome/browser/content_settings/content_settings_pref_provider_unittest.cc
diff --git a/chrome/browser/content_settings/content_settings_pref_provider_unittest.cc b/chrome/browser/content_settings/content_settings_pref_provider_unittest.cc
index fee5ea095c977bbc20418b4ded7dc7268c3e8cfe..af10b4bd3d5688109a34f61eb5bf36af9e502cb1 100644
--- a/chrome/browser/content_settings/content_settings_pref_provider_unittest.cc
+++ b/chrome/browser/content_settings/content_settings_pref_provider_unittest.cc
@@ -65,7 +65,8 @@ class DeadlockCheckerObserver {
       : provider_(provider),
       notification_received_(false) {
     pref_change_registrar_.Init(prefs);
-    for (ContentSettingsPref* pref : provider_->content_settings_prefs_) {
+    for (const auto& pair : provider_->content_settings_prefs_) {
+      const ContentSettingsPref* pref = pair.second;
       pref_change_registrar_.Add(
           pref->pref_name_,
           base::Bind(